beadwork vs decoration

beadwork and decoration both are nouns.

Word	Noun	Adjective	Verb	Adverb
beadwork	Yes	No	No	No
decoration	Yes	No	No	No

As nouns, decoration is a hypernym of beadwork; that is, decoration is a word with a broader meaning than beadwork:

Other hypernyms of beadwork include ornament, ornamentation.

beadwork (noun)	decoration (noun)
a beaded molding for edging or decorating furniture	the act of decorating something (in the hope of making it more attractive)
ornamentation with beads	something used to beautify
	an award for winning a championship or commemorating some other event